Poniard

1. (n.) A kind of dagger, -- usually a slender one with a triangular or square blade.

2. (v. t.) To pierce with a poniard; to stab.

Thesaurus Entries

dagger, dirk, dudgeon, impale, knife, lance, pierce, plunge in, poniard, run through, saber, spear, spike, spit, stab, stick, stiletto, sword, transfix, transpierce